20539989 is an odd 8-digits composite number following 20539988
and preceding 20539990 . In scientific notation, it is written as 2.0539989 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 12893760 positive integers (up to 20539989) that are relatively prime to 20539989.
20539989 has 16 divisors, whose sum is 24186240
The reverse of 20539989 is 98993502
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty million five hundred thirty-nine thousand nine hundred eighty-nine
Scientific notation
2.0539989 × 10^7
Engineering notation
2.0539989 × 10^6
Prime Factorization
9 × 67 × 23 × 1481
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20539989
Product of the distinct prime numbers
The prime factorization of 20539989 is 9 × 67 × 23 × 1481.
Since it has a total of 4 prime factors.
3 , 5 , 27 , 11 , 952 , 911 , 9275 , 8368 , 81306 , 9439 , 900042 , 723714 , 9942364 , 7119363 , 68581318 , 32292508 , 76220576 , 632799257 , 9476281044 , 2253660006
n×2
41079978
n×3
61619967
n×4
82159956
n×5
102699945
n÷2
10269994.5
n÷3
6846663
n÷3
5134997.25
n÷5
4107997.8
n2
421891148120121
n3
8.6656395415847E+21
n4
1.7799214086211E+29
n5
3.6559566153943E+36
2 √n
4532.1064638863
3 √n
273.86302582391
4 √n
67.320921442641
5 √n
29.008150591719
1 , 9 , 23 , 67 , 207 , 603 , 1481 , 1541 , 13329 , 13869 , 34063 , 99227 , 306567 , 893043 , 2282221 , 20539989
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20539988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20539989 can be divided by 16 positive divisors.
The sum of these divisors (counting 20539989) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110010110101001010101
3
Ternary
1102122112120100
4
Quaternary
1032112221111
5
Quinary
20224234424
6
Senary
2012124313
8
Octal
116265125
10
Decimal
20539989
12
Duodecimal
6a66699
16
Hexadecimal
1396a55
20
Vigesimal
6879j9
36
Base36
c88r9
md5
c653f0ad0a7feae858708c25f6c0346e
sha1
441387cc43d84795044289a31eec30207123d6cb
sha256
f4775decd9ef9b75a9a6b97eb9490b1a8139345c1d095aa9e363d8d7f6f72ea8
sha512
76a162a1e02579fad85b72d25adc65c463ca90e5e5d30590ebd18969cf37caf2274ae1b53b8281f435d9ba3565d3e20dd90b1b54f164c44fb9079409abfa4a8c
ripemd-160
4a56394b82c7c8771b3d55e2af9ef073fe951f6f
Diameter
41079978
Circumference
129056557.09443
Area
1.3254101315487E+15
Volume
3.6298546029999E+22
Surface area
5.3016405261949E+15
Circumference
129056557.09443
Perimeter
82159956
Area
421891148120121
Diagonal
29047931.014794
Surface area
2531346888720726
Volume
8.6656395415847E+21
Space diagonal
35576304.534906
Perimeter
61619967
Area
1.826842259519E+14
Altitude
17788152.267453
Surface area
1.826842259519E+14
Volume
1.0212554138621E+21
Height
9682643.6715981